Machining center



FIG. 1 is a perspective view of our design.

FIG. 2 is a front view of our design.

FIG. 3 is a rear view of our design.

FIG. 4 is a left side view of our design.

FIG. 5 is a right side view of our design.

FIG. 6 is a top view of our design; and,

FIG. 7 is a bottom view of our design.

The broken lines illustrate environmental features that form no part of the claimed design. 

CLAIM The ornamental design for a machining center, as shown and described. 